| /* |
| * include/uapi/drm/omap_drm.h |
| * |
| * Copyright (C) 2011 Texas Instruments |
| * Author: Rob Clark <rob@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __OMAP_DRM_H__ |
| #define __OMAP_DRM_H__ |
| |
| #include "drm.h" |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| /* Please note that modifications to all structs defined here are |
| * subject to backwards-compatibility constraints. |
| */ |
| |
| #define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */ |
| |
| struct drm_omap_param { |
| __u64 param; /* in */ |
| __u64 value; /* in (set_param), out (get_param) */ |
| }; |
| |
| #define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */ |
| #define OMAP_BO_CACHE_MASK 0x00000006 /* cache type mask, see cache modes */ |
| #define OMAP_BO_TILED_MASK 0x00000f00 /* tiled mapping mask, see tiled modes */ |
| |
| /* cache modes */ |
| #define OMAP_BO_CACHED 0x00000000 /* default */ |
| #define OMAP_BO_WC 0x00000002 /* write-combine */ |
| #define OMAP_BO_UNCACHED 0x00000004 /* strongly-ordered (uncached) */ |
| |
| /* tiled modes */ |
| #define OMAP_BO_TILED_8 0x00000100 |
| #define OMAP_BO_TILED_16 0x00000200 |
| #define OMAP_BO_TILED_32 0x00000300 |
| #define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32) |
| |
| union omap_gem_size { |
| __u32 bytes; /* (for non-tiled formats) */ |
| struct { |
| __u16 width; |
| __u16 height; |
| } tiled; /* (for tiled formats) */ |
| }; |
| |
| struct drm_omap_gem_new { |
| union omap_gem_size size; /* in */ |
| __u32 flags; /* in */ |
| __u32 handle; /* out */ |
| __u32 __pad; |
| }; |
| |
| /* mask of operations: */ |
| enum omap_gem_op { |
| OMAP_GEM_READ = 0x01, |
| OMAP_GEM_WRITE = 0x02, |
| }; |
| |
| struct drm_omap_gem_cpu_prep { |
| __u32 handle; /* buffer handle (in) */ |
| __u32 op; /* mask of omap_gem_op (in) */ |
| }; |
| |
| struct drm_omap_gem_cpu_fini { |
| __u32 handle; /* buffer handle (in) */ |
| __u32 op; /* mask of omap_gem_op (in) */ |
| /* TODO maybe here we pass down info about what regions are touched |
| * by sw so we can be clever about cache ops? For now a placeholder, |
| * set to zero and we just do full buffer flush.. |
| */ |
| __u32 nregions; |
| __u32 __pad; |
| }; |
| |
| struct drm_omap_gem_info { |
| __u32 handle; /* buffer handle (in) */ |
| __u32 pad; |
| __u64 offset; /* mmap offset (out) */ |
| /* note: in case of tiled buffers, the user virtual size can be |
| * different from the physical size (ie. how many pages are needed |
| * to back the object) which is returned in DRM_IOCTL_GEM_OPEN.. |
| * This size here is the one that should be used if you want to |
| * mmap() the buffer: |
| */ |
| __u32 size; /* virtual size for mmap'ing (out) */ |
| __u32 __pad; |
| }; |
| |
| #define DRM_OMAP_GET_PARAM 0x00 |
| #define DRM_OMAP_SET_PARAM 0x01 |
| #define DRM_OMAP_GEM_NEW 0x03 |
| #define DRM_OMAP_GEM_CPU_PREP 0x04 |
| #define DRM_OMAP_GEM_CPU_FINI 0x05 |
| #define DRM_OMAP_GEM_INFO 0x06 |
| #define DRM_OMAP_NUM_IOCTLS 0x07 |
| |
| #define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param) |
| #define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param) |
| #define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new) |
| #define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep) |
| #define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini) |
| #define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info) |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif /* __OMAP_DRM_H__ */ |